Stephen Hancoff is the son of Belle Hancoff and the brother of Lewis Hancoff. His mother was diagnosed with breast cancer and was given LSD in a therapeutic setting twice under the guidance of Walter Pahnke and Helen Bonny during 1968.

Scope and Contents: The Stephen Hancoff papers (1968-2011; 1 folder) contains typed and written notes of Belle Hancoff's two LSD sessions under the guidance of Walter Pahnke and music therapist, Helen Bonny, as well as a letter from Walter Pahnke to Lewis Hancoff about the status of Belle Hancoff's battle with cancer. Stephen Hancoff also includes with the collection his reflections and response to Alexander Zaitchik's article "Flashback! Psychedelic Research Returns" on Salon.com, which is in the collection.